"Like stairs." Did you take the time to put any thought into that? Also, jamming multiple elevator shafts into a building is usually non-trivial. If you have t

"Like stairs." Did you take the time to put any thought into that? Also, jamming multiple elevator shafts into a building is usually non-trivial. If you have to choose between a paternoster and a regular elevator you will always pick a regular elevator because it helps people with movement disabilities (among other reasons).